return function()
    print("===>Test: lua_number")
    local a = {}

    print(a)

    print(tostring(a))

    local as = tostring(a)
    local n = string.find(as, ": ")
    local nas = string.gsub(as, "table: ", "")
    print(tonumber(nas, 16))

    -- print(touserdata(a))

end
